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W. H. M OREHOUSE.

HEADLIGHT LENS.

APPLICATION FILED FEB. 8. 1919.

Patented July 29, 1919.

satires earner entree.

WILLIAM H. MOREHOUSE, OF PASADENA, CALIFORNIA, ASSIG-NOR TO SAMMUELSLADE AND MARSHALL STUART MARSH, BOTH OE CHICAGO, ILLINOIS.

HEADLIGHT-LENS.

To all whom it may concern:

Be it known that 1, WILLIAM H. Mona- HOUSE, a citizen of the UnitedStates, residin at Pasadena, in the county of Los Ange es and State ofCalifornia, have invented new and useful Improvements in Headlilit-Lenses, of which t e following is a speci cation.

My object is to make a headlight lens, and my invention consists of thenovel features herein shown, described and claimed.

Figure 1 is a front elevation of a headlight having a lens embodying theprinciples of my invention.

Fig. 2 is a vertical central section on the line 2 2 of Fig. 1.

Fig. 3 is a fragmentary perspective of the uppermounting and the upperend of the plate held by the mounting.

The body or frame 1 of the headlight may be any of the usualconstructions having an electric lamp 2. The headlight lens 3 is adaptedto be mounted in the front end of the body 1 and the lens is circular inplan and substantially fiat, and the lens is transparent with a lightabsorbing strip 4: extending diametrically across the lens, therebyleaving transparent portions 5 and 6 at the sides of the strip 4:. Thelight absorbing strip 4: may be produced in several ways. As shown, thelight absorbing strip 4: is produced by mounting a plate 7 behind thelens 3. The plate 7 is formed of glass cut to the desired width andlength and rendered semitransparent by grinding, frosting, corrugating,roughenlng, painting or the like. A mounting 8 is provided for the upperend of the plate 7 and a similar mounting 9 is provided for the lowerend of the plate 7. The mountings 8 and 9 are substantially alike andare formed of thin sheet metal. The mounting 8 consists of a fiat metalplate 10 having a straight lower edge 11 and a curved upper edge 12 andZ shaped pieces 13, 14: and 15, having their outer ends rigidlyattached. to the rear face of the plate 10 and their inner ends engagingthe rear face of the plate 7 In a like manner the mounting 9 consists ofa plate 16 having a straight upper edge 17 and a curved lower edge 18andpieces 19, 20 and 21 bent Z-shaped and having their outer endsrigidly secured to the plate 16 and their inner ends engaging the rearface of the plate 7 I Specification of Letters Eatent. Application filedFebruary 8, 1919. Serial No. 275,891.

Patented July 29, 1919.

The mountings 8 and 9 carrying the plate 7 are placed against the rearface of the lens 3. The lens 3 is placed in a cap 22 and the cap placedupon the frame 1 in the usual way.

It is obvious that the light absorbing strip 4 may be formed directlyupon the lens 3 by grinding, frosting, corrugating, roughening, paintingor the like.

I prefer to make the light absorbing strip 4 independent of the lens asshown, in order that it may be manufactured and sold as an accessory tobe applied to lenses already in use, an in order that when the lens isbroken the lens may be removed and renewed by buying or making anordinary circular piece of glass, but where my invention is to beapplied to the lamp in the manufacture of the lamp it will doubtless bepreferable to make the light absorbing strip 4 directly upon the lens.

The object of the light absorbing strip 4 extending from top to bottomacross the lens is to "prevent a strong light from glaring straightahead. It is to be understood that the light absorbing strip a is notblack, but that it is translucent or semi-transparent and only absorbs asmall part of the light.

Preferably the light absorbing strip 4 occupies about one-third of thewidth of the lens, so that the transparent portions 5 and 6 are eachequal in Width to the width of the light absorbing strip.

It should be noted that in my improved headlight lens the rays of lightissuing on either side of the dimmer strip are unob-.

width substantially less than the diameter of the lens, mounting plates.of thin sheet metal having substantially straight inner margins andmeans for securing the plates to said strip, one to each end, the outermargins of said plates being adapted for removable attachment to aeadlight lens mountin a 2. A immer attachment for headlights comprisin athin, flat, relatively narrow strip of Ight absorbing material with amounting plate at each end, means for securing t estrip ends to saidplates, said plates being. of thin sheet metal and projectmg beyond theside margins of said strip, the outer margins of said plates beingadapted for engagement with a 3. The combinationwith a circulartransparent headlight lens, of a straight light absorbing stripextending vertically and diametrically across the lens thereby leavingheadlight frame;

transparent portions at the sides of the stri said light absorbing stripcomprising being formed of thin sheet metal plates having straight inneredges and curved outer edges and having Z-shaped pieces secured at theirouter ends to the back sides of the plates and engaging the ends of theglass, said mountings being placed against the rear face of thetransparent lens and mounted in the frame along with the transparentens.

In testimony whereof I have signed my name to this specification.

WILLIAM H. MOREHOUSE.

